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of the system, the vehicle will be allowed to start. Most of these transponder-based systems can be bypassed
using p/n 555U. Some may require additional parts from the vehicle manufacturer. Consult you dealer for the
applications. For most Ford PATS transponders, p/n 555F can be used, except for the following vehicles, which
will require p/n 555U: ‘97 and newer Mark VII, and 2000 and newer Taurus/Sable, Contour/Mystique and Focus.
optional anti-grind relay
The optional anti-grind relay will prevent the starter from engaging if the ignition key is accidentally turned to
the start position during remote start operation. If the blue H2/1 status output has been programmed for factory
security re-arm, use the H2/2 blue/black third ignition output to control the relay.
Anti-grind can also be added by using a security system’s external, normally-closed starter kill. This is a quick
and easy way to add the anti-grind feature to the existing starter kill relay by using the H2/2 blue/black status wire.
NOTE: A 1-amp diode (type IN4004) must be installed in line on the H2/1 blue status output (or
the H2/2 blue/black third ignition output wire) and the orange (-) ground-when-armed wire of the
starter kill relay. Insert diodes as shown in the diagram below.
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